2 x 2 Solve = 48gii Fail

[ndzied1]

In helping my daughter check some homework, I was using a 48gii to solve systems of 2 equations with 2 unknowns.

This one obviously has no solution but the 48gii says it does:

\[8x+4y=-5 \\
8x+4y=12\]

The 48gii says the answer is
\[ \begin{bmatrix} 0.35\\ 0.175 \end{bmatrix} \]

Even my 35s says NO SOLUTION :-)

[Steve Keeley]

The 50g gives the same result as the 48 (a 48GX in my case).

My 42S gives a result of [ -8.5E12 1.7E13 ]

The Prime, like the 35s, returns "No solutions"

[Manolo Sobrino]

http://www.hpmuseum.org/forum/thread-665.html

[SlideRule]

Maybe stating the obvious - BUT -

NO Solution is interpreted as no Intersection solution as they are Parallel Lines.

SlideRule

[ndzied1]

(04-24-2014 05:23 AM)Manolo Sobrino Wrote:  http://www.hpmuseum.org/forum/thread-665.html

Thanks for the link. I had missed that one.